by Drs. H. Abu Ahmadi $11.00
by Drs. Mustofa Yani J.P $7.00
by Rineka Cipta $12.00
by WK $12.00
by Mohaini Mohamed $9.00
by Drs. H. Burhanuddin Salam, M.M $9.00
by Ir. C. Totok Sutrisno $6.00